Point Forecast Matrices
Issued by NWS Charleston, SC

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Point Forecast Matrices
National Weather Service Charleston SC
651 AM EDT Mon Oct 23 2017

SCZ050-232100-
Charleston International Airport-Charleston SC
32.91N  80.03W Elev. 45 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          62          78          50          67
Temp             71 75 77 76 70 66 65 63 63 71 76 77 65 60 58 53 50 61 66 66 55
Dewpt            70 71 72 72 70 66 65 63 60 58 54 52 53 50 46 43 42 41 39 40 42
RH               97 87 85 87100100100100 90 63 46 42 65 69 64 69 74 48 37 38 61
Wind dir         SE SE  S  S  S  S SW  W NW  W  W  W  W  W NW NW NW NW NW NW NW
Wind spd         10 13 14 12 11 11  9  6  4  5  8  8  5  5  9  9  8 10 11 11  6
Clouds           OV OV OV OV OV OV B2 B1 B1 FW FW FW FW FW FW FW FW CL FW CL FW
PoP 12hr                     80          80          10           0           0
QPF 12hr                   0.54        0.48           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  D  D  D  C
Tstms                C  C  L  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          46    69      47    75      56    75      56    69
Temp          49 47 67 57   51 49 74 62   58 57 75 66   61 56 69 60
Dewpt         41 40 42 46   46 44 48 52   54 55 59 59   56 53 52 52
PWind dir        NW    NW       N    SE       E     E      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW CL CL CL   CL CL FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr          0     0       0     5       5    20      20    20
Rain shwrs                                       S  S    S  S  S  S

$$
GAZ118-232100-
Savannah International Airport-Inland Chatham GA
32.12N  81.20W Elev. 50 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          60          78          48          68
Temp             72 76 79 77 69 65 63 61 61 68 75 77 65 59 55 51 48 60 66 66 57
Dewpt            72 72 72 72 69 65 63 60 57 56 52 51 51 48 44 41 40 39 37 39 40
RH              100 87 79 85100100100 97 87 65 45 40 60 67 66 68 74 46 34 37 53
Wind dir         SE  S  S  S  S SW  W  W  W  W  W  W  W  W NW NW NW NW NW  W NW
Wind spd         10 11 12 11 11  9  6  5  4  5  9  9  5  4  9  8  6 10 11 12  6
Clouds           OV OV OV OV OV OV B1 B1 SC FW FW FW FW FW FW FW FW FW FW FW FW
PoP 12hr                     80          80          10           0           0
QPF 12hr                   0.48        0.40           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  D  D  L
Tstms                C  C  L  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          44    70      49    76      56    76      55    70
Temp          49 46 68 58   52 50 75 65   58 58 75 67   61 55 68 58
Dewpt         38 39 42 46   46 44 51 55   55 55 58 58   54 49 49 48
PWind dir        NW     N       N     E      NE     E      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    CL CL CL CL   CL CL FW FW   FW SC B1 B1   B1 B1 SC SC
PoP 12hr          0     0       0     5       5    20      20    20
Rain shwrs                                       S  S    S  S  S  S

$$
SCZ050-232100-
Charleston Waterfront-Charleston SC
32.78N  79.94W Elev. 10 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          64          78          53          67
Temp             72 76 78 77 71 68 66 65 65 71 76 77 65 61 58 55 53 62 66 66 57
Dewpt            70 71 72 72 71 68 66 64 60 58 56 53 53 50 47 44 43 41 40 40 41
RH               93 85 82 85100100100 97 84 63 50 43 65 67 67 66 69 46 38 38 55
Wind dir         SE SE  S  S  S  S SW  W NW  W  W  W  W  W NW NW NW NW NW NW NW
Wind spd         13 16 17 14 14 14 12  9  5  5  8  8  8  8 12 12 10 11 11 13 10
Clouds           OV OV OV OV OV OV B2 B1 B1 SC FW FW FW FW FW FW FW CL FW CL FW
PoP 12hr                     80          80          10           0           0
QPF 12hr                   0.46        0.50           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  D  D  D  L
Tstms                C  C  L  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          47    69      50    75      59    75      58    70
Temp          51 48 67 58   53 52 74 64   60 60 75 66   61 58 69 61
Dewpt         39 40 43 46   47 46 49 53   55 56 59 60   58 53 52 52
PWind dir        NW    NW       N    SE       E    SE      SW    NW
Wind char        GN    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW CL CL CL   CL CL FW FW   FW SC B1 B1   B1 B1 B1 SC
PoP 12hr          0     0       0     5      10    20      20    20
Rain shwrs                                       S  S    S  S  S  S

$$
SCZ048-232100-
Beaufort Marine Corps Air Station-Beaufort SC
32.48N  80.72W Elev. 37 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      79          61          78          48          67
Temp             71 76 78 77 69 65 64 62 63 69 76 77 64 60 56 52 50 61 66 66 57
Dewpt            71 72 71 72 69 65 64 61 58 57 52 51 51 49 45 42 41 40 38 39 40
RH              100 87 79 85100100100 97 84 66 43 40 63 67 66 69 71 46 36 37 53
Wind dir         SE  S  S  S  S  S  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW
Wind spd         10 13 12 11 12 11  8  6  4  5  8  8  5  4  9  9  8 10 11 12  6
Clouds           OV OV OV OV OV OV B2 B1 SC FW FW FW FW FW FW FW FW CL FW FW FW
PoP 12hr                     80          80          10           0           0
QPF 12hr                   0.49        0.49           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  D  L  D  D  L  S
Tstms                C  C  L  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          45    69      49    75      56    75      55    70
Temp          51 47 67 58   53 51 74 64   59 58 74 65   62 56 68 59
Dewpt         38 39 42 45   46 45 49 54   55 55 57 58   54 51 49 49
PWind dir        NW    NW       N    SE       E    SE      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    FW CL CL CL   CL CL FW FW   FW SC B1 B1   B1 B1 SC SC
PoP 12hr          0     0       0     5       5    20      20    20
Rain shwrs                                       S  S    S  S  S  S

$$
SCZ043-232100-
Walterboro-Inland Colleton SC
32.91N  80.67W Elev. 98 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          59          78          46          66
Temp             70 75 77 76 68 64 62 60 61 69 76 76 62 57 53 49 46 60 65 65 55
Dewpt            70 71 71 71 68 64 62 59 57 56 52 50 50 47 43 41 40 40 37 38 39
RH              100 87 82 85100100100 96 87 63 43 40 65 69 69 74 79 47 35 37 55
Wind dir         SE SE  S  S  S  S  W  W  W  W  W  W  W  W NW NW NW NW NW  W  W
Wind spd          6 10 11 10  9  8  6  4  3  5  8  8  4  4  8  6  5 10 10 11  4
Clouds           OV OV OV OV OV OV B1 SC SC FW FW FW FW FW FW FW FW CL FW FW FW
PoP 12hr                     80          80          10           0           0
QPF 12hr                   0.66        0.53           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        L  L  L  L  D  D  L
Tstms                C  C  L  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          42    69      45    75      52    75      52    69
Temp          48 44 67 56   50 47 73 61   56 54 74 62   58 52 68 57
Dewpt         38 39 41 45   43 43 47 51   52 52 55 57   53 49 49 48
PWind dir         W    NW       N    SE      NE    SW      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW CL CL CL   CL CL FW FW   FW SC SC B1   B1 B1 SC SC
PoP 12hr          0     0       0     5       5    20      20    20
Rain shwrs                                       S  S    S  S  S  S

$$
GAZ099-232100-
Metter-Candler GA
32.40N  82.06W Elev. 197 ft
651 AM EDT Mon Oct 23 2017

Date             Mon 10/23/17            Tue 10/24/17            Wed 10/25/17
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00

Max/Min                      78          55          75          45          66
Temp             71 75 78 76 66 61 59 57 57 67 73 73 60 55 52 48 46 57 64 64 54
Dewpt            71 72 71 70 66 61 59 57 54 54 52 49 48 46 42 40 39 38 38 39 40
RH              100 90 79 82100100100100 90 63 48 43 64 72 69 74 76 49 38 40 59
Wind dir         SE  S  S  S SW  W  W  W  W  W  W  W  W NW NW NW NW NW  W  W  W
Wind spd          8 11 12 11  6  5  4  4  5  6  9  9  5  9  6  6  5 12 12 13  4
Clouds           OV OV OV OV B2 B2 SC SC SC FW FW FW FW FW FW FW FW FW FW FW CL
PoP 12hr                     80          70           5           0           0
QPF 12hr                   0.79        0.10           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  L  L  D  L  L  S
Tstms                C  C  D  C  C  C


Date          Thu 10/26/17  Fri 10/27/17  Sat 10/28/17  Sun 10/29/17
EDT 6hrly     02 08 14 20   02 08 14 20   02 08 14 20   02 08 14 20
UTC 6hrly     06 12 18 00   06 12 18 00   06 12 18 00   06 12 18 00

Min/Max          43    70      47    76      54    75      51    68
Temp          47 44 66 56   51 48 73 63   57 54 73 63   57 51 67 56
Dewpt         38 37 42 46   45 43 49 52   51 50 55 55   50 46 44 46
PWind dir        NW    NW      NE    SE      SE     W      NW    NW
Wind char        LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    CL CL CL CL   CL CL FW FW   FW SC SC B1   B1 B1 SC SC
PoP 12hr          0     0       0     5       5    20      20    10
Rain shwrs                                       S  S    S  S

$$

PRODUCT KEY...

--- Cloud Cover ---
CODE   PERCENTAGE            SKY COVER DAY/NIGHT
 CL    0 TO <=5 percent      Sunny/Clear
 FW    >5 TO <=25 percent    Sunny/Mostly Clear
 SC    >25 TO <=50 percent   Partly Cloudy
 B1    >50 TO <=69 percent   Mostly Cloudy
 B2    >69 TO <=87 percent   Mostly Cloudy
 OV    >87 TO 100 percent    Cloudy

--- Obstructions to Visibility ---    --- Weather Coverage ---
CODE   TYPE                           CODE   QUALIFYING TERM
 F     Fog                             S     Slight
 PF    Patchy Fog                      C     Chance
 F+    Dense Fog                       L     Likely
 PF+   Patchy Dense Fog                O     Occasional
 H     Haze                            D     Definite
 BS    Blowing Snow
 K     Smoke
 BD    Blowing Dust
 AF    Volcanic Ashfall

--- Extended Wind Forecast Character ---
                           12-HR MAX SUSTAINED
CODE   WIND CHARACTER          WIND SPEED
 LT    Light                   < 8 mph
 GN    Gentle                  8-14 mph
 BZ    Breezy                  15-22 mph
 WY    Windy                   23-30 mph
 VW    Very Windy              31-39 mph
 SD    Strong/Damaging         >=40 mph

$$




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